body{
	width: 100%;
	height: 100%;
	max-width: 640px;
	min-width: 320px;
	margin: 0 auto;
}
#setting{
	height: 100%;
	width: 100%;
	background-image: url(../images/damIndex.png);
	background-repeat: no-repeat;
	background-size: 300% 100%;
	background-attachment: fixed;
	background-position: 36% 200%;
}
header{
	text-align: center;
	width: 100%;
	height: 40px;
	display: flex;
	align-items: center;
}
div>.button{
	width: 20px;
	height: 20px;
	background-color: black;
	background-image: url(../images/left_arrow.png);
	background-size: 18px 18px;
	background-position: 13px 13px; 
	background-repeat: no-repeat;
	align-content: center; 
}
header *{
	color: white;
}
header>h4{
	flex-grow: 1;
	font-size: 20px;
	font-weight: bold;
}
header>a{
	justify-content: flex-end;
	margin: auto;
	margin-right: 10px;
	font-size: 16px;
	color: rgb(37,191,175);
}
section *{
	color: white;
	font-weight: bold;
}
section{
	width: 100%;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	text-align: right;
	margin-top: 46%;
	padding-right: 50px;
}
section>.text{
	margin-top: -5px;
}
section>a{
	width: 100%;
	position: relative;
}
a>div,div>p,a>h4{
	display: inline-block;
}
a>div{
	width: 40px;
}
#gallery{
	opacity: 0.5;
}
#YWART{
	opacity: 0;
	margin-top: -10px;
}
#not{
	opacity: 0;
	margin-top: -10px;
}
#unl{
	opacity: 0;
	margin-top: -10px;
}
#entrance{
	opacity: 0;
	margin-top: 60px;
}
#roll1{
	opacity: 1;
	position: absolute;
	right: 5px;
	bottom: 1px;
	animation: fun1 1s linear infinite;
}
#roll{
	opacity: 1;
	position: absolute;
	right: 15px;
	bottom: 1px;
	animation: fun 1.1s linear infinite;
}
@keyframes fun{
	from{
		opacity: 1;
		position: absolute;
		right: 15px;	
	}
	50%{
		opacity: 0.6;
		position: absolute;
		right: 10px;	
	}
	to{
		opacity: 0;
		position: absolute;
		right: 2px;	
	}
}
@keyframes fun1{
	from{
		opacity: 1;
		position: absolute;
		right: 5px;	
	}
	to{
		opacity: 0;
		position: absolute;
		right: 2px;	
	}
}
nav{
	height: 100%;
	width: 100%;
	max-width: 640px;
	min-width: 320px;
}
nav>#nav{
	min-height: 35px;
	height: 10px;
	border: 1px solid white;
	border-radius: 3px;
	position: fixed;
	bottom: 75px;
	right: -5px;
	background-color: black;
	background-image: url(../images/house.png);
	background-size: 58% 70%;
	background-repeat: no-repeat;
	background-position: 7px 4px;
}
nav{
	margin-bottom: 60%;
	max-width: 640px;
	min-width: 320px;
	height: 50px;
}